CN112846047B - Double-station riveting press - Google Patents
Double-station riveting press Download PDFInfo
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- CN112846047B CN112846047B CN202110159103.2A CN202110159103A CN112846047B CN 112846047 B CN112846047 B CN 112846047B CN 202110159103 A CN202110159103 A CN 202110159103A CN 112846047 B CN112846047 B CN 112846047B
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- 230000007246 mechanism Effects 0.000 claims abstract description 132
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 39
- 239000000758 substrate Substances 0.000 claims description 41
- 239000000463 material Substances 0.000 claims description 38
- 230000001105 regulatory effect Effects 0.000 claims description 18
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 239000003921 oil Substances 0.000 claims description 9
- 230000001276 controlling effect Effects 0.000 claims description 6
- 230000002265 prevention Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 12
- 230000006872 improvement Effects 0.000 description 9
- 230000008859 change Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
- B21J15/30—Particular elements, e.g. supports; Suspension equipment specially adapted for portable riveters
- B21J15/32—Devices for inserting or holding rivets in position with or without feeding arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
- B21J15/30—Particular elements, e.g. supports; Suspension equipment specially adapted for portable riveters
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
The invention provides a double-station riveting press which comprises a rack, an upper die changing mechanism, a lower die changing mechanism, a double-station feeding system and a hydraulic oil cylinder, wherein the upper die changing mechanism, the lower die changing mechanism, the double-station feeding system and the hydraulic oil cylinder are respectively arranged on the rack, the upper die changing mechanism is connected with the double-station feeding system, and the hydraulic oil cylinder is arranged above the upper die changing mechanism. The invention has the beneficial effects that: the riveting device has the advantages that the riveting device can realize the press riveting of two rivets with different specifications, solves the problem that the automatic feeding tool and the upper and lower dies need to be replaced when the two rivets are pressed and riveted, improves the processing efficiency, and reduces the time for processing shutdown waiting for replacing the die.
Description
Technical Field
The invention relates to a squeeze riveter, in particular to a double-station squeeze riveter.
Background
The traditional squeeze riveter is of a single-station structure, only rivets the rivet of one specification in a pressing mode, is low in rivet pressing efficiency, and when rivets of two specifications are to be riveted, upper and lower dies need to be manually replaced, so that a large amount of time is wasted.
Disclosure of Invention
The invention provides a double-station riveting press, which aims to solve the problems in the prior art.
The invention provides a double-station riveting press which comprises a rack, an upper die changing mechanism, a lower die changing mechanism, a double-station feeding system and a hydraulic oil cylinder, wherein the upper die changing mechanism, the lower die changing mechanism, the double-station feeding system and the hydraulic oil cylinder are respectively arranged on the rack, the upper die changing mechanism is connected with the double-station feeding system, and the hydraulic oil cylinder is arranged above the upper die changing mechanism.
As a further improvement of the invention, a C-shaped plate is arranged on the rack, the upper die changing mechanism, the lower die changing mechanism, the double-station feeding system and the hydraulic oil cylinder are respectively arranged on the C-shaped plate, an oil pressure station is arranged in the rack and connected with the hydraulic oil cylinder through a hydraulic oil pipe, and the hydraulic oil cylinder is connected with a Z-axis pressure head.
As a further improvement of the invention, a lifting ring is installed on the C-shaped plate, the bottom of the rack is connected with a height adjusting foot cup, the C-shaped plate is connected with the hydraulic oil cylinder in a positioning mode through a precise pin hole, the hydraulic oil cylinder is connected with a hand pressing prevention mechanism, the C-shaped plate is installed in the outer cover and is connected with a touch screen and a main box, the main box is connected with a foot switch, and the main box is respectively and electrically connected with the upper die changing mechanism, the lower die changing mechanism, the double-station feeding system and the hydraulic oil cylinder.
As a further improvement of the invention, the double-station feeding system comprises a first-station vibrating material tray and a second-station vibrating material tray, wherein a discharge port of the first-station vibrating material tray is connected with the upper die changing mechanism through a first-station material selecting tool, and a discharge port of the second-station vibrating material tray is connected with the upper die changing mechanism through a second-station material selecting tool.
As a further improvement of the present invention, the upper mold changing mechanism includes a first station feeding main body, a second station feeding main body, a front and rear mounting substrate, a left and right translation mechanism, a front and rear translation mechanism, and a connecting assembly connected to the frame, the first station feeding main body and the second station feeding main body are respectively and fixedly connected to the front and rear mounting substrate, the front and rear mounting substrate is connected to the left and right mounting substrate through a front and rear guide rail slider mechanism, the front and rear translation mechanism is connected to the front and rear mounting substrate, the left and right translation mechanism is respectively connected to the left and right mounting substrate and the connecting assembly through a left and right guide rail slider mechanism, the front and rear translation mechanism drives the first station feeding main body and the second station feeding main body to switch between a feeding station and a press riveting station, the press riveting station includes an executing station collinear with the Z-axis press head and an executing station not executing station collinear with the Z-axis press head, and the left and right translation mechanism drives the first station feeding main body or the second station feeding main body located at the press riveting station to reach the executing station.
As a further improvement of the present invention, the left-right translation mechanism includes a left-right cylinder and a left-right cylinder connecting plate, the cylinder bodies of the left-right cylinder are fixed on the left-right mounting substrate, the piston rods of the left-right cylinder are connected with the connecting assembly through the left-right cylinder connecting plate, the connecting assembly includes a feeder adjusting plate, a feeder adjusting block and a connector, an adjusting groove is provided on the feeder adjusting block, the feeder adjusting plate is disposed in the adjusting groove and is in sliding fit with the adjusting groove, the feeder adjusting plate is locked with the feeder adjusting block through an adjusting bolt, the feeder adjusting block is connected with the connector, the bottom of the feeder adjusting plate is fixedly connected with the left-right cylinder connecting plate, and the bottom of the feeder adjusting plate is connected with the left-right mounting substrate through a left-right guide rail slider mechanism.
As a further improvement of the invention, the front-back translation mechanism comprises a front-back air cylinder, a front-back air cylinder connecting block and a front-back air cylinder mounting plate, the front-back air cylinder mounting plate is fixed on the left-right mounting base plate, the cylinder body of the front-back air cylinder is fixedly connected with the front-back air cylinder mounting plate through the front-back air cylinder connecting block, the piston rod of the front-back air cylinder is fixedly connected with the front-back mounting base plate, the left end and the right end above the left-right mounting base plate are respectively provided with a left limiting lug and a right limiting lug, the connecting component is positioned between the left limiting lug and the right limiting lug, a front-back limiting groove is arranged below the left-right mounting base plate, the front-back mounting base plate is arranged in the front-back limiting groove, the first station feeding main body and the second station feeding main body are arranged in parallel left and right directions, and the first station feeding main body and the second station feeding main body are respectively arranged on the front-back mounting base plate through a positioning pin and a positioning hole, the front end of the first station feeding main body is provided with a first station placing groove, the front end of the second station feeding main body is provided with a second station placing groove, the front ends of the left and right mounting substrates are provided with a first station feeding pipe and a second station feeding pipe, the first station feeding pipe is matched with the first station placing groove of the first station feeding main body, the second station feeding pipe is matched with the second station placing groove of the second station feeding main body, when the front and back translation mechanism drives the first station feeding main body and the second station feeding main body to be positioned at a feeding station, the first station feeding pipe is communicated with the first station placing groove of the first station feeding main body, and the second station feeding pipe is communicated with the second station placing groove of the second station feeding main body, the first station feeding pipe is connected with the first station material selecting tool through a first hose, and the second station feeding pipe is connected with the second station material selecting tool through a second hose.
As a further improvement of the invention, the lower die changing mechanism comprises a lower die mounting seat, a rotary driving mechanism, a rotary lower die seat and a rotary lower die seat positioning mechanism, the rotary driving mechanism and the rotary lower die seat positioning mechanism are respectively mounted on the lower die mounting seat, the rotary driving mechanism is connected with the rotary lower die seat, a first station lower die and a second station lower die are arranged on the rotary lower die seat, the rotary lower die seat positioning mechanism is in positioning fit with the rotary lower die seat, the rotary driving mechanism comprises a switching driving cylinder, a driving rack and a driven gear, the lower die mounting seat is connected with a cylinder fixing plate, a cylinder body of the switching driving cylinder is fixedly connected with the cylinder fixing plate, a piston rod of the switching driving cylinder is connected with the driving rack, the driving rack is meshed with the driven gear, the driven gear is mounted on the lower die mounting seat, and the driven gear is connected with the rotary lower die seat.
As a further improvement of the invention, the driven gear is rotatably connected with the lower die mounting seat through a central rotating shaft, the driven gear is provided with a gear positioning pin, the gear positioning pin is not collinear with the axis of the driven gear, the bottom surface of the rotary lower die seat is provided with a gear positioning hole, the gear positioning pin is arranged in the gear positioning hole, the central rotating shaft sequentially penetrates through the rotary lower die seat and the driven gear from top to bottom and is connected with the lower die mounting seat, the first station lower die and the second station lower die are arranged at an interval of 180 degrees around the circumferential direction of the central rotating shaft, the rotary driving mechanism further comprises a T-shaped rack pressing block, the driving rack is provided with a linear guide through hole, the rack pressing block is pressed on the driving rack and fixedly connected with the lower die mounting seat through the guide through hole, the driving rack comprises a main body part, a protruding part and a rack part, the protruding part is perpendicular to the main body part, the rack part is arranged on the protruding part, the guide through hole is arranged on the main body part, the side surface of the lower die mounting seat is attached to the main body part, a guide groove is arranged at the upper end of the side surface of the lower die mounting seat, the protruding part is arranged in the guide groove, the rear end of the guide groove is provided with a rear limiting surface for limiting the moving position of the protruding part, the front end of the guide groove is provided with a front limiting surface for limiting the moving position of the protruding part, the main body part is connected with the switching driving cylinder through a cylinder connecting block, the lower die mounting seat is provided with a gear mounting hole and an equipment connecting mounting hole, the driven gear is arranged in the gear mounting hole, and the gear mounting hole is communicated with the guide groove, the rack part extends into the gear mounting hole from the guide groove to be meshed with the driven gear.
As a further improvement of the invention, the rotary lower die holder positioning mechanism comprises a positioning driving cylinder and a positioning block, a cylinder body of the positioning driving cylinder is fixed on the lower die mounting seat, a piston rod of the positioning driving cylinder is connected with the positioning block, the positioning block is arranged on the lower die mounting seat and forms a moving pair with the lower die mounting seat, a positioning groove for positioning the rotary lower die holder is arranged at the end of the positioning block, the positioning groove is a V-shaped recess, both ends of the rotary lower die holder are V-shaped protrusions, at least two parallel linear positioning block guide through holes are arranged on the positioning block, an equal-height guide bolt is arranged on each positioning block guide through hole, the equal-height guide bolt penetrates through the positioning block guide through hole and is fixedly connected with the lower die mounting seat, a positioning block guide groove is arranged on the bottom surface of the positioning block, the top surface of the lower die mounting seat is arranged in the positioning block guide groove, and a limit step for limiting the position of the positioning block is arranged on the lower die mounting seat.
The invention has the beneficial effects that: the rivet pressing device can realize the press riveting of two rivets with different specifications, and has higher efficiency.
Drawings
Fig. 1 is a schematic perspective view of a double-station squeeze riveter according to the invention.
Fig. 2 is a schematic perspective view of another viewing angle of the double-station squeeze riveter of the invention.
Fig. 3 is an exploded schematic view of a double-station squeeze riveter according to the invention.
Fig. 4 is a schematic diagram of a double-station feeding system of the double-station squeeze riveter.
Fig. 5 is a partial schematic view of a double-station squeeze riveter according to the invention.
Fig. 6 is an exploded schematic view of an upper die changing mechanism of the double-station squeeze riveter.
Fig. 7 is a schematic diagram of an upper die changing mechanism of the double-station squeeze riveter in the feeding process.
Fig. 8 is a schematic diagram of the first station feeding main body of the upper die changing mechanism of the double-station squeeze riveter during squeeze riveting.
Fig. 9 is a schematic diagram of the second station feeding main body of the upper die changing mechanism of the double-station squeeze riveter during squeeze riveting.
Fig. 10 is a schematic view of an upper die changing mechanism of the double-station squeeze riveter in the feeding process.
Fig. 11 is a partially enlarged view of a first station feeding main body and a second station feeding main body of an upper die changing mechanism of the double-station squeeze riveter.
Fig. 12 is an exploded schematic view of a lower die changing mechanism of the double-station squeeze riveter.
Fig. 13 is an assembly schematic diagram of a driven gear of a lower die changing mechanism of the double-station squeeze riveter.
Fig. 14 is an assembly schematic diagram of a positioning block of a lower die changing mechanism of the double-station squeeze riveter.
Fig. 15 is an assembly schematic diagram of a rotary lower die holder of a lower die changing mechanism of the double-station squeeze riveter.
Fig. 16 is an assembly schematic diagram of a driving rack of a lower die changing mechanism of the double-station squeeze riveter.
Fig. 17 is a schematic diagram of a state that a lower die changing mechanism of the double-station squeeze riveter is switched to a first station lower die.
Fig. 18 is a schematic diagram of a state that a lower die changing mechanism of the double-station squeeze riveter is switched to a first station lower die and positioned.
Fig. 19 is a schematic diagram of a state that a lower die changing mechanism of the double-station squeeze riveter is switched to a second station lower die.
Fig. 20 is a schematic diagram of a state that a lower die changing mechanism of the double-station squeeze riveter is switched to a second station lower die and positioned.
Detailed Description
The invention is further described with reference to the following description and embodiments in conjunction with the accompanying drawings.
As shown in fig. 1 to 20, the double-station squeeze riveter comprises a rack 7, an upper die changing mechanism 1, a lower die changing mechanism 2, a double-station feeding system 3 and a hydraulic oil cylinder 4, wherein the upper die changing mechanism 1, the lower die changing mechanism 2, the double-station feeding system 3 and the hydraulic oil cylinder 4 are respectively installed on the rack 7, the upper die changing mechanism 1 is connected with the double-station feeding system 3, and the hydraulic oil cylinder 4 is installed above the upper die changing mechanism 1.
The die change mechanism comprises a rack 7, a C-shaped plate 5 is arranged on the rack 7, the C-shaped plate 5 can be welded on the rack 7, and an upper die change mechanism 1, a lower die change mechanism 2, a double-station feeding system 3 and a hydraulic oil cylinder 4 are respectively arranged on the C-shaped plate 5.
The frame 7 is provided with an oil pressure station 41, the oil pressure station 41 can be assembled in advance, and then the oil pressure station 41 is installed in the frame 7.
The oil pressure station 41 is connected with the hydraulic oil cylinder 4 through a hydraulic oil pipe, and the hydraulic oil cylinder 4 is connected with a Z-axis pressure head 42.
The C-shaped plate 5 is provided with a hanging ring 51, the bottom of the rack 7 is connected with a height adjusting foot cup 71, and the level of the rack 7 can be adjusted through the height adjusting foot cup 71.
The C-shaped plate 5 is connected with the hydraulic oil cylinder 4 in a positioning mode through a precision pin hole, and the center of the hydraulic oil cylinder 4 can be adjusted by adopting a centering check tool.
The hydraulic oil cylinder 4 is connected with a hand pressing prevention mechanism 6, and has a safety protection effect.
The C-shaped plate 5 is arranged in the outer cover 52, the C-shaped plate 5 is connected with a touch screen 82 and a main box 81, the main box 81 is connected with a foot switch 83, and the main box 81 is respectively and electrically connected with the upper die changing mechanism 1, the lower die changing mechanism 2, the double-station feeding system 3 and the hydraulic oil cylinder 4 and respectively supplies power to the upper die changing mechanism 1, the lower die changing mechanism 2, the double-station feeding system 3 and the hydraulic oil cylinder 4.
The double-station feeding system 3 comprises a first station vibration material tray 35 and a second station vibration material tray 36, a discharge hole of the first station vibration material tray 35 is connected with the upper die changing mechanism 1 through a first station material selecting tool 37, and a discharge hole of the second station vibration material tray 36 is connected with the upper die changing mechanism 1 through a second station material selecting tool 38.
The double-station feeding system 3 further comprises an air pipe joint panel 31, a first station vibration controller 32, a second station vibration controller 33 and an air source processor 34, wherein the air source processor 34 is externally connected with an air source.
Go up mould retooling mechanism 1 and include first station pay-off main part 18, second station pay-off main part 19, around mounting substrate 17, control mounting substrate 16, control translation mechanism, front and back translation mechanism and the coupling assembling of being connected with the squeeze riveter, first station pay-off main part 18, second station pay-off main part 19 respectively with mounting substrate 17 fixed connection around, mounting substrate 17 around with about mounting substrate 16 connects through front and back guide rail slider mechanism 14 for mounting substrate 17 can control relatively that mounting substrate 16 carries out the front and back translation slip around, thereby drives first station pay-off main part 18, second station pay-off main part 19 and carries out the front and back translation slip.
The front-rear translation mechanism is connected to the front-rear mounting substrate 17.
Control translation mechanism respectively with control mounting substrate 16, coupling assembling and be connected, control mounting substrate 16 with coupling assembling connects through controlling rail block mechanism 13 for control mounting substrate 16 can control translation slip relatively coupling assembling.
The front-back translation mechanism drives the first station feeding main body 18 and the second station feeding main body 19 to switch between a feeding station and a riveting station, the riveting station comprises an execution station collinear with a Z-axis pressure head of a riveting press and an non-execution station not collinear with the Z-axis pressure head of the riveting press, and the left-right translation mechanism drives the first station feeding main body 18 or the second station feeding main body 19 located on the riveting press to reach the execution station, namely, one of the first station feeding main body 18 and the second station feeding main body 19 executes riveting under the Z-axis pressure head of the riveting press.
Control translation mechanism including control cylinder 110 and control cylinder connecting plate 11, control cylinder connecting plate 11 and be the L type, control cylinder 110's cylinder body and fix about on the mounting substrate 16, control cylinder 110's piston rod pass through control cylinder connecting plate 11 with coupling assembling connects.
The left and right cylinders 110 are preferably biaxial cylinders.
Coupling assembling includes feeder regulating plate 12, feeder regulating block 114 and connector 115, be equipped with on the feeder regulating block 114 and adjust recess 1141, feeder regulating plate 12 sets up in adjusting recess 1141 and with adjust recess 1141 sliding fit, feeder regulating plate 12 with feeder regulating block 114 is through adjusting bolt lock connection, and the height of installing base plate 16 about the accessible is adjusted feeder regulating plate 12, feeder regulating block 114 locking position between them.
The feeder adjusting block 114 is connected with the connector 115, the connector 115 is connected with the squeeze riveter, and the bottom of the feeder adjusting plate 12 is fixedly connected with the left and right cylinder connecting plates 11.
The feeder adjusting plate 114 is connected at its bottom to the left and right mounting boards 16 via left and right rail slider mechanisms 13.
Front and back translation mechanism includes front and back cylinder 113, front and back cylinder connecting block 112 and front and back cylinder mounting panel 111, front and back cylinder mounting panel 111 is fixed on controlling mounting substrate 16, front and back cylinder 113's cylinder body passes through front and back cylinder connecting block 112 with front and back cylinder mounting panel 111 fixed connection, front and back cylinder 113's piston rod with preceding rear mounting substrate 17 fixed connection.
Spacing lug 1162 about both ends are equipped with respectively about controlling mounting substrate 116's top, feeder regulating plate 114 is located about two between the spacing lug 1162, about the below of mounting substrate 116 is equipped with spacing recess 1161 around, mounting substrate 17 sets up around within spacing recess 1161 for spacing around.
Parallel arrangement about first station pay-off main part 18, the second station pay-off main part 19, first station pay-off main part 18, the second station pay-off main part 19 are installed through locating pin and locating hole respectively around on the mounting substrate 17, first station pay-off main part 18, the second station pay-off main part 19 are pay-off main part hinge structure.
First station pay-off main part 18's front end is equipped with first station and places recess 181, second station pay-off main part 19's front end is equipped with the second station and places recess 191, the front end of controlling mounting substrate 16 is equipped with first station inlet pipe 15 and second station inlet pipe 16, first station inlet pipe 15 with first station of first station pay-off main part 18 is placed recess 181 and is cooperateed, second station inlet pipe 16 with second station of second station pay-off main part 19 is placed recess 191 and is cooperateed, works as cylinder 113 drives around first station pay-off main part 18, second station pay-off main part 19 are located the material loading station, first station inlet pipe 15 with first station of first station pay-off main part 18 is placed the recess 181 and is linked together, second station inlet pipe 16 with second station of second station pay-off main part 19 is placed recess 191 and is linked together.
The first station feeding pipe 15 is connected with a first tray through a first hose 117, and the second station feeding pipe 16 is connected with a second tray through a second hose 118.
The front and rear air cylinders 113 are preferably pen-shaped air cylinders, and the first hose 117 and the second hose 118 are both made of PU tubes.
The upper die changing mechanism 1 provided by the invention has the following working principle:
when the rivets with the first specification are fed, the front cylinder 113 and the rear cylinder 113 contract, the front mounting base plate 17 and the rear mounting base plate 17 drive the first station feeding main body 18 and the second station feeding main body 19 to synchronously retreat to a feeding station, the rivets with the first specification on the first material plate are fed into the first station placing groove 181 of the first station feeding main body 18 through the first hose 117 and the first station feeding pipe 15, feeding is completed, and the feeding mode can adopt an air blowing mode;
when rivets with a first specification are riveted, the front and rear cylinders 113 extend out, the front and rear mounting substrates 17 extend out to drive the first station feeding main body 18 and the second station feeding main body 19 to synchronously advance to a riveting station, the front and rear cylinders 113 extend out, and the left and right mounting substrates 16 drive the first station feeding main body 18 to move to an execution station, so that the first station placing groove 181 of the first station feeding main body 18 is collinear with a Z-axis pressing head of a riveting machine, and a pressing head of a cylinder driving shaft of the riveting machine is pressed downwards to finish riveting;
when the rivets with the second specification are fed, the front cylinder 113 and the rear cylinder 113 contract, the front mounting base plate 17 and the rear mounting base plate 17 drive the first station feeding main body 18 and the second station feeding main body 19 to synchronously retreat to a feeding station, the rivets with the second specification on a second material disc are fed into the second station placing groove 191 of the second station feeding main body 19 through the second hose 118 and the second station feeding pipe 16, feeding is completed, and the feeding mode can adopt an air blowing mode;
when rivets of a second specification are riveted, the front and rear cylinders 113 extend out, the front and rear mounting substrates 17 extend out to drive the first station feeding main body 18 and the second station feeding main body 19 to synchronously advance to the riveting station, the front and rear cylinders 113 extend out, and the left and right mounting substrates 16 drive the second station feeding main body 19 to move to the execution station, so that the second station placing groove 191 of the second station feeding main body 19 is collinear with a Z-axis pressing head of the riveting machine, and a pressing head of a cylinder driving shaft of the riveting machine is pressed downwards to complete riveting.
Lower mould retooling mechanism 2 includes lower mould mount pad 214, rotary driving mechanism, rotatory die holder 27 and rotatory die holder positioning mechanism, rotary driving mechanism, rotatory die holder positioning mechanism install respectively on the lower mould mount pad 214, rotary driving mechanism with rotatory die holder 27 is connected, be equipped with first station lower mould 28 and second station lower mould 25 on the rotatory die holder 214, rotatory die holder positioning mechanism with rotatory die holder 27 is location fit, first station lower mould 28 is used for pressing the riveting first kind of specification rivet, and second station lower mould 25 is used for pressing the riveting second kind of specification rivet.
The rotary driving mechanism comprises a switching driving air cylinder 215, a driving rack 211 and a driven gear 210, the lower die mounting seat 214 is connected with an air cylinder fixing plate 21, a cylinder body of the switching driving air cylinder 215 is fixedly connected with the air cylinder fixing plate 21, a piston rod of the switching driving air cylinder 215 is connected with the driving rack 211, the driving rack 211 is meshed with the driven gear 210, the driven gear 210 is mounted on the lower die mounting seat 214, and the driven gear 210 is connected with the rotary lower die seat 27.
The switching drive cylinder 215 is preferably a pen cylinder.
The central rotating shaft 26 sequentially penetrates through the rotary lower die holder 27 and the driven gear 210 from top to bottom and is connected with the lower die mounting seat 214, and the rotating coaxiality of the driven gear 210 and the rotary lower die holder 27 can be improved by adopting the central rotating shaft 26.
The first station lower die 28 and the second station lower die 25 are arranged at an interval of 180 degrees around the circumference of the central rotating shaft 26.
The central shaft 26 is preferably a precision shaft.
The rotary driving mechanism further comprises a T-shaped rack pressing block 212, a linear guide through hole 2114 is formed in the driving rack 211, and the rack pressing block 212 is pressed on the driving rack 211, penetrates through the guide through hole 2114 and is fixedly connected with the lower die mounting seat 214 and can guide the driving rack 211.
The driving rack 211 comprises a main body portion 2111, a protruding portion 2112 and a rack portion 2113, wherein the protruding portion 2112 is perpendicular to the main body portion 2111 and is in an L shape, the rack portion 2113 is arranged on the protruding portion 2112, the guide through hole 2114 is arranged on the main body portion 2111, the side surface of the lower die mounting seat 214 is attached to the main body portion 2111, a guide groove 2143 is arranged at the upper end of the side surface of the lower die mounting seat 214, the protruding portion 2112 is arranged in the guide groove 2143, and the moving stability of the driving rack 211 can be further improved.
The rear end of the guide groove 2143 is provided with a rear limiting surface 2144 for limiting the moving position of the protrusion portion 2112, the front end of the guide groove 2143 is provided with a front limiting surface 2145 for limiting the moving position of the protrusion portion 2112, and the main body portion 2111 is connected to the switching driving cylinder 215 through the cylinder connecting block 213, so that the stability of movement of the driving rack 211 can be further improved.
Be equipped with gear mounting hole 2141 and equipment connection mounting hole 2142 on lower mould mount pad 214, equipment connection mounting hole 2142 is used for equipment connection installation, driven gear 210 installs in gear mounting hole 2141, gear mounting hole 2141 with guide groove 2143 is linked together, rack portion 2113 certainly guide groove 2143 stretches into gear mounting hole 2141 with driven gear 210 meshes mutually, can further improve the stability that drives rack 211 and remove to compact structure, the volume is less.
The rotary lower die holder positioning mechanism comprises a positioning driving cylinder 22 and a positioning block 23, the cylinder body of the positioning driving cylinder 22 is fixed on the cylinder fixing plate 21, the piston rod of the positioning driving cylinder 22 is connected with the positioning block 23, the positioning block 23 is arranged on the lower die mounting seat 214 and forms a moving pair with the lower die mounting seat 214, and a positioning groove 231 for positioning the rotary lower die holder 27 is formed in the end portion of the positioning block 22.
The positioning drive cylinder 22 is preferably a thin cylinder.
The positioning groove 231 is a V-shaped recess, and the two ends of the rotary lower die holder 27 are both V-shaped protrusions 271 and 272, so that the rotary lower die holder 27 can be positioned without deflection, the position accuracy of die change is ensured, and the position accuracy in riveting is maintained.
The positioning block 23 is provided with at least two parallel linear positioning block guide through holes 232, each positioning block guide through hole 232 is provided with an equal-height guide bolt 24, and the equal-height guide bolts 24 penetrate through the positioning block guide through holes 232 and are fixedly connected with the lower die mounting base 214.
The bottom surface of the positioning block 23 is provided with a positioning block guide groove 233, the top surface of the lower die mounting base 214 is arranged in the positioning block guide groove 233, and the lower die mounting base 214 is provided with a limiting step 2146 for limiting the position of the positioning block 23.
The lower die changing mechanism provided by the invention has the following working principle:
the switching between the first station lower die 28 and the second station lower die 25 can be realized by driving the driving rack 211 to move back and forth through the switching driving cylinder 215, so as to drive the driven gear 210 to rotate, drive the rotary lower die holder 27 to rotate around the central rotating shaft 26, and complete the switching between the first station lower die 28 and the second station lower die 25 every 180 degrees;
when switching of the first station lower die 28 and the second station lower die 25 is performed, the positioning driving cylinder 22 can drive the positioning block 23 to retreat through positioning, the rotary lower die base 27 can automatically rotate, after the switching is completed, the positioning driving cylinder 22 drives the positioning block 23 to advance through positioning, the positioning groove 231 of the positioning block 23 is clamped on the V-shaped protrusion 271 or the V-shaped protrusion 272 of the rotary lower die base 27, the rotary lower die base 27 cannot rotate, the first station lower die 28 or the second station lower die 25 is fixed, and then riveting is performed.
The invention provides a double-station riveting press, which has the following working principle:
when a station runs, the program controls the cylinders in the lower die changing mechanism 2 and the upper die changing mechanism 1 to move, so that the centers of the first station lower die 28, the first station feeding main body 18 and the hydraulic oil cylinder 4 are positioned in the same straight line;
when a station works, rivets are arranged in sequence by the first station vibration tray 35 to enter the first station material selecting tool 37 through vibration, then the first station material selecting tool 37 is controlled by a program to blow one rivet to the first station material inlet pipe 15 through a material pipe, meanwhile, the first station material feeding main body 18 moves to the center position of the first station material inlet pipe 15, the rivets are blown into the first station material feeding main body 18, and then the first station material feeding main body 18 moves to the center position of the hydraulic oil cylinder 4 to finish feeding. Sleeving a rivet hole in a press riveting workpiece at a telescopic positioning pin of a first station lower die 28, stepping down a foot switch 83, pressing down a hydraulic oil cylinder 4 to suck a rivet, press riveting the press riveting workpiece and the rivet into a whole, completing the press riveting, lifting the hydraulic oil cylinder 4 to a position before pressing down to complete a press riveting action, feeding again, press riveting again, and continuously repeating the work;
when the second station runs, the program controls the cylinders in the lower die changing mechanism 2 and the upper die changing mechanism 1 to move, and the centers of the second station lower die 25, the second station feeding main body 19 and the hydraulic oil cylinder 4 are positioned on the same straight line;
when the two stations work, the second station vibration tray 36 enters the second station material selecting tool 38 through vibration in a sequential arrangement mode, then the second station material selecting tool 38 is controlled by a program to blow one rivet to the second station feeding pipe 16 through a material pipe, meanwhile, the second station feeding main body 19 moves to the center position of the second station feeding pipe 16, the rivet is blown into the second station feeding main body 19, and then the second station feeding pipe 16 moves to the center position of the hydraulic oil cylinder 4 to finish feeding. The rivet hole on the workpiece to be riveted is sleeved at the telescopic positioning pin of the second station lower die 25, the pedal switch 83 is stepped, the hydraulic oil cylinder 4 is pressed downwards to suck the rivet, the workpiece to be riveted and the rivet are riveted into a whole, the pressure riveting is completed, the hydraulic oil cylinder 4 is lifted to the position before the pressure, the once pressure riveting action is completed, then the feeding is performed again, the pressure riveting is performed again, and the repeated work is performed continuously.
The double-station riveting press provided by the invention is provided with two vibrating material trays, two sets of automatic feeding tools and a double-station upper and lower die cutting and replacing mechanism are arranged, the system program is used for controlling the air cylinder to move forwards and backwards and leftwards, so that the upper die and the lower die are alternately switched, and meanwhile, the corresponding automatic feeding tools are controlled to convey rivets, so that the automatic feeding of two rivets with different specifications is realized. After the rivet is in place, the pedal switch is stepped down to control the oil cylinder to press, the rivet and a riveting workpiece are riveted together, the oil cylinder stretches upwards to complete riveting, meanwhile, the automatic feeding tool conveys the rivet again to repeat riveting action, automatic die changing of two kinds of rivets can be completed through cylinder control, the problem that the automatic feeding tool and an upper die and a lower die need to be changed when two kinds of rivets are riveted is solved, the processing efficiency is improved, and the time for processing to stop to wait for die changing is reduced.
The foregoing is a further detailed description of the invention in connection with specific preferred embodiments and it is not intended to limit the invention to the specific embodiments described. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (7)
1. The utility model provides a duplex position squeeze riveter which characterized in that: the die changing mechanism comprises a lower die mounting seat, a rotary driving mechanism, a rotary lower die seat and a rotary lower die seat positioning mechanism, wherein the rotary driving mechanism and the rotary lower die seat positioning mechanism are respectively mounted on the lower die mounting seat, the rotary driving mechanism is connected with the rotary lower die seat, a first station lower die and a second station lower die are arranged on the rotary lower die seat, and the rotary lower die seat positioning mechanism is in positioning fit with the rotary lower die seat, the rotary driving mechanism comprises a switching driving cylinder, a driving rack and a driven gear, the lower die mounting seat is connected with a cylinder fixing plate, the switching driving cylinder is fixedly connected with the cylinder fixing plate, a piston rod of the switching driving cylinder is connected with the driving rack, the driving rack is meshed with the driven gear, the driven gear is installed on the lower die mounting seat and connected with the rotary lower die seat, the driven gear is rotatably connected with the lower die mounting seat through a central rotating shaft and is provided with a gear positioning pin, the axis of the gear positioning pin is not collinear with the axis of the driven gear, the bottom surface of the rotary lower die seat is provided with a gear positioning hole, the gear positioning pin is arranged in the gear positioning hole, the central rotating shaft penetrates through the rotary lower die seat, the rotary lower die seat and the driven gear from top to bottom in sequence, the driven gear is connected with the lower die mounting seat, the first station lower die and the second station lower die are arranged at an interval of 180 degrees around the circumferential direction of the central rotating shaft, the rotary driving mechanism further comprises a T-shaped rack pressing block, a linear guide through hole is formed in the driving rack, the rack pressing block is pressed on the driving rack and penetrates through the guide through hole to be fixedly connected with the lower die mounting seat, the driving rack comprises a main body part, a protruding part and a rack part, the protruding part is perpendicular to the main body part, the rack part is arranged on the protruding part, the guide through hole is arranged on the main body part, the side surface of the lower die mounting seat is attached to the main body part, a guide groove is formed in the upper end of the side surface of the lower die mounting seat, and the protruding part is arranged in the guide groove, the rear end of the guide groove is provided with a rear limiting surface for limiting the moving position of the lug boss, the front end of the guide groove is provided with a front limiting surface for limiting the moving position of the lug boss, the main body part is connected with the switching driving cylinder through a cylinder connecting block, the lower die mounting seat is provided with a gear mounting hole and an equipment connecting mounting hole, the driven gear is mounted in the gear mounting hole, the gear mounting hole is communicated with the guide groove, the rack part extends into the gear mounting hole from the guide groove to be meshed with the driven gear, the rotary lower die seat positioning mechanism comprises a positioning driving cylinder and a positioning block, the cylinder body of the positioning driving cylinder is fixed on the lower die mounting seat, the piston rod of the positioning driving cylinder is connected with the positioning block, and the positioning block is arranged on the lower die mounting seat and forms a moving pair with the lower die mounting seat, the end part of the positioning block is provided with a positioning groove for positioning the rotary lower die holder, the positioning groove is V-shaped concave, two ends of the rotary lower die holder are V-shaped protrusions, the positioning block is provided with at least two parallel linear positioning block guide through holes, each positioning block guide through hole is provided with an equal-height guide bolt, the equal-height guide bolts penetrate through the positioning block guide through holes and are fixedly connected with the lower die mounting seat, the bottom surface of the positioning block is provided with a positioning block guide groove, the top surface of the lower die mounting seat is arranged in the positioning block guide groove, and the lower die mounting seat is provided with a limiting step for limiting the position of the positioning block.
2. The double-station squeeze riveter according to claim 1, characterized in that: the die changing mechanism is characterized in that a C-shaped plate is installed on the rack, the upper die changing mechanism, the lower die changing mechanism, the double-station feeding system and the hydraulic oil cylinder are installed on the C-shaped plate respectively, an oil pressure station is installed in the rack, and the oil pressure station is connected with the hydraulic oil cylinder through a hydraulic oil pipe.
3. The double-station squeeze riveter according to claim 2, characterized in that: the C-shaped plate is provided with a lifting ring, the bottom of the rack is connected with a height adjusting foot cup, the C-shaped plate is connected with the hydraulic oil cylinder through a precise pin hole in a positioning mode, the hydraulic oil cylinder is connected with a hand pressing prevention mechanism, the C-shaped plate is installed in the outer cover and is connected with a touch screen and a main box, the main box is connected with a foot switch, and the main box is respectively and electrically connected with the upper die changing mechanism, the lower die changing mechanism, the double-station feeding system and the hydraulic oil cylinder.
4. The double-station squeeze riveter according to claim 1, characterized in that: the double-station feeding system comprises a first station vibration material tray and a second station vibration material tray, wherein a discharge port of the first station vibration material tray is connected with the upper die changing mechanism through a first station material selecting tool, and a discharge port of the second station vibration material tray is connected with the upper die changing mechanism through a second station material selecting tool.
5. The double-station squeeze riveter according to claim 4, characterized in that: go up mould retooling mechanism and include first station pay-off main part, second station pay-off main part, around mounting substrate, control translation mechanism, translation mechanism and the coupling assembling of being connected with the frame, first station pay-off main part, second station pay-off main part respectively with mounting substrate fixed connection around, around mounting substrate with control mounting substrate passes through front and back guide rail slider mechanism and connects, translation mechanism with around the mounting substrate is connected, control translation mechanism respectively with control mounting substrate, coupling assembling and be connected, control mounting substrate with coupling assembling is through controlling guide rail slider mechanism and connecting, translation mechanism drive around first station pay-off main part, second station pay-off main part switch between material loading station and pressure riveting station, pressure riveting station includes the executive position with the Z axle pressure head collineation of pressure riveter and the not executive position of collineation with the Z axle pressure head of pressure riveter, translation mechanism drive is located pressure riveting station first station pay-off main part or second station pay-off main part arrives the executive position.
6. The double-station squeeze riveter according to claim 5, characterized in that: control translation mechanism about including control the cylinder with control the cylinder connecting plate, control the cylinder body of cylinder and fix control on the mounting substrate, control the piston rod of cylinder and pass through control the cylinder connecting plate with coupling assembling connects, coupling assembling includes feeder regulating plate, feeder regulating block and connector, be equipped with the regulation recess on the feeder regulating block, the feeder regulating plate sets up in the regulation recess and with regulation recess sliding fit, the feeder regulating plate with the feeder regulating block passes through adjusting bolt lock joint, the feeder regulating block with the connector is connected, the bottom of feeder regulating plate with control cylinder connecting plate fixed connection, the bottom of feeder regulating plate through control guide rail slider mechanism with control the mounting substrate connection.
7. The double-station squeeze riveter according to claim 5, characterized in that: the front and back translation mechanism comprises a front and back air cylinder, a front and back air cylinder connecting block and a front and back air cylinder mounting plate, the front and back air cylinder mounting plate is fixed on the left and right mounting base plate, the cylinder body of the front and back air cylinder passes through the front and back air cylinder connecting block and the front and back air cylinder mounting plate is fixedly connected, the piston rod of the front and back air cylinder is fixedly connected with the front and back mounting base plate, the left and right ends of the top of the left and right mounting base plate are respectively provided with a left and right limiting lug, the connecting component is positioned between the left and right limiting lugs, a front and back limiting groove is arranged below the left and right mounting base plate, the front and back mounting base plate is arranged in the front and back limiting groove, the first station feeding main body and the second station feeding main body are arranged in a left and right parallel mode, the first station feeding main body and the second station feeding main body are respectively installed on the front and back mounting base plate through a positioning pin and a positioning hole, the front end of the first feeding station main body is provided with a first station placing groove, the second station placing groove is arranged at the front end of the second station feeding main body, the first station feeding main body and the second station placing groove are communicated with the second station placing groove, the second station feeding main body, the first feeding main body is communicated with the second station feeding main body, and the second station placing groove, the first station feeding pipe is connected with the first station material selecting tool through a first hose, and the second station feeding pipe is connected with the second station material selecting tool through a second hose.
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| CN202110159103.2A CN112846047B (en) | 2021-02-04 | 2021-02-04 | Double-station riveting press |
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| CN202110159103.2A CN112846047B (en) | 2021-02-04 | 2021-02-04 | Double-station riveting press |
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| CN112846047B true CN112846047B (en) | 2022-11-01 |
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| CN117483629A (en) * | 2023-11-07 | 2024-02-02 | 东莞市圣鼎源科技有限公司 | A multi-task synchronous automatic riveting press with adjustable riveting head |
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